CHCS correspondence:

Original enquiry: download the pdf 

First responses: download the pdf

TT Environmental reply: download the pdf

If you are not already a member of CHCS (Chemical Hazard Communication Society, based in the UK), or on the discussion forum, you can sign up the forum here: .

Mixture classification forms, February 2020, when the enquiry occurred:

Corrosive to skin (download the pdf)

Serious Eye Damage (download the pdf)